皮皮学，免费搜题
登录
搜题
【单选题】
为探讨对 II 型糖尿病患者实施运动疗法的护理干预效果,研究者将某社区的所有患者按照年龄分为 4 组,并在每组中随机抽取 25 名患者,共抽取 100 名 II 型糖尿病患者作为研究对象,并随机分为实验组和对照组,每组各 50 名患者,两组均给予饮食、心理及药物治疗。对照组给予常规健康教育运动指导,干预组对其运动方式、强度、时间等进行强化干预,针对每位患者进行个体指导。分别在治疗前和治疗 3 个月后对其空腹血糖、餐后 2h 血糖、糖化血红蛋白进行测量。 问题: 该研究采用的是哪种抽样方法?
A.
方便抽样
B.
整群抽样
C.
分层抽样
D.
单纯随机抽样
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】测验量表的可靠程度被称为（）。
A.
常模
B.
效度
C.
信度
D.
区分度
查看完整题目与答案
【判断题】制服可以不分男女。
A.
正确
B.
错误
查看完整题目与答案
【简答题】计算机账务处理系统中，记账后的凭证不能（ ）。
查看完整题目与答案
【单选题】智力测验量表的可靠程度被称为()。
A.
信度
B.
效度
C.
难度
D.
区分度
查看完整题目与答案
【多选题】About sustainability studies, which issues are related to governance?
A.
Corporate governance
B.
Staff cost
C.
Tax transparency
D.
Sustainability risk assessment
E.
Ban on tobacco
查看完整题目与答案
【单选题】Economists consider the effects of free trade on income distribution to be ________ important than the effects on overall welfare because ________.
A.
less; many factors besides trade affect income distribution
B.
more; those who are harmed are not compensated by those who gain
C.
less; the effects on income distribution are minor and inconsequential
D.
more; the effects on income distribution are major and consequential
E.
less; the wealthy benefit and only the poor lose
查看完整题目与答案
【单选题】Economists consider the effects of free trade on income distribution to be ________ important than the effects on overall welfare because ________.
A.
less; those who are harmed can be compensated by those who gain
B.
more; those who are harmed are not compensated by those who gain
C.
less; the effects on income distribution are minor and inconsequential
D.
more; the effects on income distribution are major and consequential
E.
less; the wealthy benefit and only the poor lose
查看完整题目与答案
【单选题】最主要的引起老年人卧床不起的原因为
A.
老年痴呆
B.
骨折
C.
衰老
D.
脑血管疾病
查看完整题目与答案
【简答题】计算机账务处理系统中，记账后的凭证不能（ ）。
查看完整题目与答案
【简答题】Translate the following into Chinese It is becoming increasingly important to consider the "cradle-to-grave" life cycle of materials relative to the overall manufacturing process.
查看完整题目与答案
相关题目：
【单选题】测验量表的可靠程度被称为（）。
A.
常模
B.
效度
C.
信度
D.
区分度
查看完整题目与答案
【判断题】制服可以不分男女。
A.
正确
B.
错误
查看完整题目与答案
【简答题】计算机账务处理系统中，记账后的凭证不能（ ）。
查看完整题目与答案
【单选题】智力测验量表的可靠程度被称为()。
A.
信度
B.
效度
C.
难度
D.
区分度
查看完整题目与答案
【多选题】About sustainability studies, which issues are related to governance?
A.
Corporate governance
B.
Staff cost
C.
Tax transparency
D.
Sustainability risk assessment
E.
Ban on tobacco
查看完整题目与答案
【单选题】Economists consider the effects of free trade on income distribution to be ________ important than the effects on overall welfare because ________.
A.
less; many factors besides trade affect income distribution
B.
more; those who are harmed are not compensated by those who gain
C.
less; the effects on income distribution are minor and inconsequential
D.
more; the effects on income distribution are major and consequential
E.
less; the wealthy benefit and only the poor lose
查看完整题目与答案
【单选题】Economists consider the effects of free trade on income distribution to be ________ important than the effects on overall welfare because ________.
A.
less; those who are harmed can be compensated by those who gain
B.
more; those who are harmed are not compensated by those who gain
C.
less; the effects on income distribution are minor and inconsequential
D.
more; the effects on income distribution are major and consequential
E.
less; the wealthy benefit and only the poor lose
查看完整题目与答案
【单选题】最主要的引起老年人卧床不起的原因为
A.
老年痴呆
B.
骨折
C.
衰老
D.
脑血管疾病
查看完整题目与答案
【简答题】计算机账务处理系统中，记账后的凭证不能（ ）。
查看完整题目与答案
【简答题】Translate the following into Chinese It is becoming increasingly important to consider the "cradle-to-grave" life cycle of materials relative to the overall manufacturing process.
查看完整题目与答案